CMMG
CMMG Lower Parts Kit
Complete mil-spec lower parts kit with all pins, springs, and detents. Quality baseline for any build.
Quick Specs
- Price
- $50
- Weight
- N/A
- Brand
- CMMG
- Category
- lower-part
Features
- •Complete LPK
- •Mil-spec trigger group
- •All pins and springs included
- •Pistol grip included
Where to Buy
Compare current prices and availability from retailers we work with.
CMMG, Inc AR-15 Lower Reciever Parts Kit, Black, 55CA601
Price History
90-day low $49.79Compatibility Tags
Overview
CMMG AR-15 Lower Parts Kits are crafted to meet and exceed mil-spec standards, providing builders with a reliable foundation for their AR-15 platform. These kits are known for their exceptional organization and quality control, with parts packaged in a labeled plastic form that saves significant installation time.
The CMMG LPK includes all necessary components to complete a stripped lower receiver, including takedown pins, safety selector, bolt catch assembly, magazine catch, and all required springs and detents. The mil-spec trigger group provides reliable function with standard AR-15 specifications. Each component is manufactured to proper dimensions and heat-treated appropriately for durability.
This kit represents an excellent value for builders who want quality mil-spec components without premium pricing. The straightforward design ensures compatibility with all standard AR-15 lower receivers, making it a popular choice for first-time builders and experienced gunsmiths alike.
Key Features
- Complete lower parts kit with all pins, springs, and detents included
- Mil-spec trigger group with reliable function
- Organized packaging with labeled components for easy installation
- Quality controlled parts manufactured to proper dimensions
- Compatible with all standard AR-15 lower receivers
- Includes pistol grip and all necessary hardware
- Exceeds mil-spec standards for durability
Pros
- +Excellent organization saves 20-30 minutes of sorting time
- +Consistent quality control with proper fit on mil-spec lowers
- +Outstanding value for the price point
- +All components meet or exceed mil-spec standards
- +Reliable performance in all conditions
- +Easy installation for first-time builders
Cons
- −Basic mil-spec trigger group (upgrade recommended for competition)
- −Occasional quality control issues with missing parts reported
- −Trigger pins may vary slightly in diameter (.1525" vs .154" standard)
- −Standard components lack enhanced features of premium kits
Detailed Specifications
- compatibility
- AR-15 / M4 platforms
- triggerPullWeight
- 5.5-8.5 lbs (mil-spec)
- pinDiameter
- .154" standard (small pin)
- finish
- Phosphate on steel components
- Material
- Steel construction per mil-spec
- includesFCG
- Yes - complete trigger group
- includesGrip
- Yes - A2 style pistol grip
Compatible Platforms
+90 moreSimilar Products
Related Guides & Articles
Guides
Build Your Custom Configuration
Add the CMMG Lower Parts Kit to your build and see how it enhances your platform.